28237027 has 12 divisors (see below), whose sum is σ = 34945680. Its totient is φ = 22340448.

The previous prime is 28237009. The next prime is 28237043. The reversal of 28237027 is 72073282.

It is not a de Polignac number, because 28237027 - 2⁷ = 28236899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28237027.

It is not an unprimeable number, because it can be changed into a prime (28237007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10752 + ... + 13117.

It is an arithmetic number, because the mean of its divisors is an integer number (2912140).

Almost surely, 2^28237027 is an apocalyptic number.

28237027 is a deficient number, since it is larger than the sum of its proper divisors (6708653).

28237027 is a wasteful number, since it uses less digits than its factorization.

28237027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23902 (or 23889 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 28237027 is about 5313.8523690445. The cubic root of 28237027 is about 304.5133401727.

The spelling of 28237027 in words is "twenty-eight million, two hundred thirty-seven thousand, twenty-seven".